SR Class 2Wim

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Southern Railway 2-WIM
In service 1929–1954
Built at Peckham Rye Works
Constructed 1929
Number built 4
Number scrapped 4
Fleet numbers 1909–1912, later 1809–1812
Capacity 16 first class,
91 third class
Operator(s) Southern Railway,
British Railways
Line(s) served Wimbledon to West Croydon
Train length 127 ft 4 in (38.81 m)
Width 9 ft 3 in (2.82 m)
Electric system(s) 750 V DC
Current collection method Third rail
UIC classification Bo′2′+2′2′
Braking system(s) Automatic air
Coupling system Screw-link
Multiple working Standard SR system
Track gauge 4 ft 8 12 in (1,435 mm)

2-WIM was the designation given, by Southern Railway (SR), to a small fleet of electric multiple units, dedicated for use on the West Croydon to Wimbledon Line. None of these units survived long enough in British Rail ownership to be allocated a TOPS class.


The 2-WIM (2-car Wimbledon stock, numbers 1809–1812) units were rebuilt in 1929, from former Trailer First cars, originally used in ex-LBSCR AC electric SL stock. They were intended for use on the line between Wimbledon and Croydon. Originally these units had some First Class accommodation in the Driving Motor car, but this was later declassified to Third Class only. The units were numbered 1909–1912 before 1936, when those numbers were reused for new 2-BIL units.


Initial formations of these units were as follows:

Unit Numbers DMBT DTC
1909–1912 / 1809–1812 9818–9821 9951–9954


All four units were withdrawn in 1954, and subsequently scrapped.


  • Marsden, Colin J. (1983). Southern Electric Multiple-Units 1898–1948. Shepperton, Surrey: Ian Allan Limited. pp. 22–23. ISBN 0-7110-1253-9.